package com.zy.producer;

import com.zy.RocketMQConfig;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.remoting.common.RemotingHelper;

public class SyncProducer {

    public static void main(String[] args) {
        try {
            sendMessageBySync();
        } catch (Exception e) {

        }
    }

    static void sendMessageBySync() throws Exception {
        // 实例化消息生产者Producer
        DefaultMQProducer producer = new DefaultMQProducer("syncGroup");
        // 设置NameServer的地址
        producer.setNamesrvAddr(RocketMQConfig.ROCKETMQ_IP);
        producer.setVipChannelEnabled(false);
        // 启动Producer实例
        producer.start();
        for (int i = 10; i < 12; i++) {
            // 创建消息，并指定Topic，Tag和消息体
            Message msg = new Message("syncTopic" /* Topic */,
                    "syncTag" /* Tag */,
                    ("Hello RocketMQ " + i).getBytes(RemotingHelper.DEFAULT_CHARSET) /* Message body */
            );
            // 发送消息到一个Broker
            SendResult sendResult = producer.send(msg);
            // 通过sendResult返回消息是否成功送达
            System.out.printf("%s%n", sendResult);
        }
        // 如果不再发送消息，关闭Producer实例。
        producer.shutdown();
    }
}
